diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 86bfbfa..a6f2a8c 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -129,6 +129,7 @@
     [SND_DEVICE_OUT_HEADPHONES] = "headphones",
     [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = "speaker-and-headphones",
     [SND_DEVICE_OUT_VOICE_HANDSET] = "voice-handset",
+    [SND_DEVICE_OUT_VOICE_HAC_HANDSET] = "voice-hac-handset",
     [SND_DEVICE_OUT_VOICE_SPEAKER] = "voice-speaker",
     [SND_DEVICE_OUT_VOICE_HEADPHONES] = "voice-headphones",
     [SND_DEVICE_OUT_HDMI] = "hdmi",
@@ -183,6 +184,7 @@
     [SND_DEVICE_OUT_VOICE_HANDSET] = 7,
     [SND_DEVICE_OUT_VOICE_SPEAKER] = 15,
 #endif
+    [SND_DEVICE_OUT_VOICE_HAC_HANDSET] = 53,
     [SND_DEVICE_OUT_VOICE_HEADPHONES] = 10,
     [SND_DEVICE_OUT_HDMI] = 18,
     [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = 15,
@@ -244,6 +246,7 @@
     {TO_NAME_INDEX(SND_DEVICE_OUT_BT_SCO)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_BT_SCO_WB)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_HANDSET_TMUS)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_HAC_HANDSET)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET)},
@@ -544,6 +547,7 @@
 
     if (my_data->ext_earpiece) {
         backend_table[SND_DEVICE_OUT_VOICE_HANDSET] = strdup("handset");
+        backend_table[SND_DEVICE_OUT_VOICE_HAC_HANDSET] = strdup("handset");
         backend_table[SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = strdup("handset");
         backend_table[SND_DEVICE_OUT_HANDSET] = strdup("handset");
         backend_table[SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = strdup("handset");
@@ -1103,7 +1107,9 @@
         } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
             snd_device = SND_DEVICE_OUT_VOICE_SPEAKER;
         } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
-            if (is_operator_tmus())
+            if(adev->voice.hac)
+                snd_device = SND_DEVICE_OUT_VOICE_HAC_HANDSET;
+            else if (is_operator_tmus())
                 snd_device = SND_DEVICE_OUT_VOICE_HANDSET_TMUS;
             else
                 snd_device = SND_DEVICE_OUT_VOICE_HANDSET;
@@ -1154,7 +1160,11 @@
     } else if (devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
         snd_device = SND_DEVICE_OUT_HDMI ;
     } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
-        snd_device = SND_DEVICE_OUT_HANDSET;
+        /*HAC support for voice-ish audio (eg visual voicemail)*/
+        if(adev->voice.hac)
+            snd_device = SND_DEVICE_OUT_VOICE_HAC_HANDSET;
+        else
+            snd_device = SND_DEVICE_OUT_HANDSET;
     } else {
         ALOGE("%s: Unknown device(s) %#x", __func__, devices);
     }
diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index c713561..65a1f6b 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -52,6 +52,7 @@
     SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES,
     SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES,
     SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET,
+    SND_DEVICE_OUT_VOICE_HAC_HANDSET,
     SND_DEVICE_OUT_END,
 
     /*
diff --git a/hal/voice.c b/hal/voice.c
index c63c525..ecc607d 100644
--- a/hal/voice.c
+++ b/hal/voice.c
@@ -402,6 +402,21 @@
         }
     }
 
+    err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_HAC,
+                            value, sizeof(value));
+    if (err >= 0) {
+        bool hac = false;
+        str_parms_del(parms, AUDIO_PARAMETER_KEY_HAC);
+        if (strcmp(value, AUDIO_PARAMETER_VALUE_HAC_ON) == 0)
+            hac = true;
+
+        if (hac != adev->voice.hac) {
+            adev->voice.hac = hac;
+            if (voice_is_in_call(adev))
+                voice_update_devices_for_all_voice_usecases(adev);
+        }
+     }
+
     err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_INCALLMUSIC,
                             value, sizeof(value));
     if (err >= 0) {
@@ -424,6 +439,7 @@
 
     memset(&adev->voice, 0, sizeof(adev->voice));
     adev->voice.tty_mode = TTY_MODE_OFF;
+    adev->voice.hac = false;
     adev->voice.volume = 1.0f;
     adev->voice.mic_mute = false;
     adev->voice.voice_device_set = false;
diff --git a/hal/voice.h b/hal/voice.h
index ba2240c..11f3be0 100644
--- a/hal/voice.h
+++ b/hal/voice.h
@@ -55,6 +55,7 @@
 struct voice {
     struct voice_session session[MAX_VOICE_SESSIONS];
     int tty_mode;
+    bool hac;
     bool mic_mute;
     float volume;
     bool voice_device_set;